Title |
Contrasting Linguistic and Genetic Origins of the Asian Source Populations of Malagasy
|
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Published in |
Scientific Reports, May 2016
|
DOI | 10.1038/srep26066 |
Pubmed ID | |
Authors |
Pradiptajati Kusuma, Nicolas Brucato, Murray P. Cox, Denis Pierron, Harilanto Razafindrazaka, Alexander Adelaar, Herawati Sudoyo, Thierry Letellier, François-Xavier Ricaut |
Abstract |
The Austronesian expansion, one of the last major human migrations, influenced regions as distant as tropical Asia, Remote Oceania and Madagascar, off the east coast of Africa. The identity of the Asian groups that settled Madagascar is particularly mysterious. While language connects Madagascar to the Ma'anyan of southern Borneo, haploid genetic data are more ambiguous. Here, we screened genome-wide diversity in 211 individuals from the Ma'anyan and surrounding groups in southern Borneo. Surprisingly, the Ma'anyan are characterized by a distinct, high frequency genomic component that is not found in Malagasy. This novel genetic layer occurs at low levels across Island Southeast Asia and hints at a more complex model for the Austronesian expansion in this region. In contrast, Malagasy show genomic links to a range of Island Southeast Asian groups, particularly from southern Borneo, but do not have a clear genetic connection with the Ma'anyan despite the obvious linguistic association. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
Indonesia | 2 | 22% |
United Kingdom | 1 | 11% |
Madagascar | 1 | 11% |
Netherlands | 1 | 11% |
Unknown | 4 | 44% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Scientists | 5 | 56% |
Members of the public | 4 | 44% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 40 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 7 | 18% |
Student > Doctoral Student | 6 | 15% |
Researcher | 3 | 8% |
Other | 3 | 8% |
Student > Master | 3 | 8% |
Other | 9 | 23% |
Unknown | 9 | 23% |
Readers by discipline | Count | As % |
---|---|---|
Biochemistry, Genetics and Molecular Biology | 8 | 20% |
Agricultural and Biological Sciences | 6 | 15% |
Medicine and Dentistry | 4 | 10% |
Earth and Planetary Sciences | 3 | 8% |
Social Sciences | 3 | 8% |
Other | 7 | 18% |
Unknown | 9 | 23% |